举报者冒着风险揭露了公司内部的财务欺诈行为。

The whistleblower took risks by ___exposing the company's financial fraud.

把孩子独自留在公园里会让他处于危险之中。

Leaving the child alone in the park is ___exposing him to danger.

医生警告不要让孩子接触二手烟。

Doctors warn against ___exposing children to secondhand smoke.

她轻轻移开树叶，露出了藏在下面的小鸟巢。

She gently moved the leaves away, ___exposing a small bird's nest hidden underneath.